Epson Stylus 300 User Manual page 74

Envelopes:
B
A The minimum top margin is 3.0 mm (0.12 inches).
B The minimum left margin is 3.0 mm (0.12 inches).
The minimum right margin is:
3 mm (0.12 inch) for manual insertion
The minimum bottom margin is 13.0 mm (0.51 inches).
C
Mechanical
Paper-feed method:
Ink cartridge (SO20031):
Color
Print capacity
Temperature
Total print volume:
A
I
C
Friction
Black
Approximately 0.7 million characters
in letter quality mode
Appendix A-5